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Oxana [17]
3 years ago
12

8. -7/12 + 7/10 = ?

Mathematics
1 answer:
aev [14]3 years ago
4 0
Exact Form:
7/60
Decimal Form:
0.116....


D

D
Did

D


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If x³ + 2x and x³ − 7x² + 4x +2 + k have a common linear polynomial factor, then the value of k is what?
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Answer:

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Step-by-step explanation:

<u>Factor x³ + 2x:</u>

  • x³ + 2x = x(x² + 2)

1. <u>The common factor is x, then</u>:

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2. Factor x² + 2 is not linear therefore we discard it.

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3 years ago
At should be added to a+<br>3b+c to get 3a+5b+7c?​
e-lub [12.9K]

Answer:

2a + 2b + 6c.

Step-by-step explanation:

To find this we subtract :-

3a + 5b + 7c - (a + 3b + c)

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2a + 2b + 6c  (answer).

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When applied to each other they are dependent
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3 years ago
2x + 5.2 What does x equal
elixir [45]

Answer:

x = 2.6

Step-by-step explanation:

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3 years ago
The formula for the area of a rhombus is A = a equals StartFraction one-half EndFraction d 1 d 2.d1d2, where d1 and d2 are the l
Strike441 [17]

Answer:

\large\boxed{d_1=\dfrac{2A}{d_2};\ d_2=\dfrac{2A}{d_1}}

Step-by-step explanation:

A=\dfrac{1}{2}d_1d_2\qquad\text{multiply both sides by 2}\\\\2A=2\!\!\!\!\diagup\cdot\dfrac{1}{2\!\!\!\!\diagup}d_1d_2\\\\2A=d_1d_2\to d_1d_2=2A

\text{For}\ d_1:\\\\d_1d_2=2A\qquad\text{divide both sides by}\ d_2\neq0\\\\d_1=\dfrac{2A}{d_2}\\\\\text{For}\ d_2:\\\\d_1d_2=2A\qquad\text{divide both sides by}\ d_1\neq0\\\\d_2=\dfrac{2A}{d_1}

4 0
3 years ago
Read 2 more answers
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